Patent US1872883A successfully refreshed from Google Patents.
US1872883A
Expired / Lapsed
US
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Process of manufacturing gas and carbonized fuel
Assignee: Beazer East Inc
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Filing: 1928-06-21
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Granted: 1932-08-23
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Expires: 1948-06-21
Abstract
No abstract record available.
Inventors
- 👤 John F Byrne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:22
CPC Classifications
C; C10; C10J; C10J3/00; C10J3/02; C10J3/20; C10J3/34; C10J3/36; C10K; C10K3/00; C10K3/001; C10K3/003; C10K3/008; C10J2200/00; C10J2200/15; C10J2200/158
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1935-08-23 | 1936-02-22 | 1936-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-08-23 | 1940-02-22 | 1940-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-08-23 | 1944-02-22 | 1944-08-23 | $7700.00 | Window Closed / Lapsed |